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L6718 数据表(PDF) 37 Page - STMicroelectronics

部件名 L6718
功能描述  SMBus interface for power management
PDF  71 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6718 数据表(HTML) 37 Page - STMicroelectronics

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L6718
Device configuration
6.6.4
CONFIG1 in DDR mode (STCOMP=GND)
If the STCOM/DDR pin is short to GND, the device is set in DDR mode.
Using the CONFIG1 pin it is possible to select (see Table 14):
a)
TMAX. Maximum temperature can be set between 90 °C and 120 °C.
b)
Address_Domain. It is possible to select the SMBus address (see Table 14).
c)
IMAX. The multi-phase maximum current can be selected between 2 values
according to the number of switching phases of the multi-phase rail.
d)
Droop. If the droop function is enabled, the current on the FB pin is 50% of the
total current read (Section 8.2).
e)
Jmode. Jmode configuration can be set (see Section 6.4). In MRO mode single-
phase rail remains off and by setting Jmode it is possible to change the multi-
phase rail switching phase number (see Table 7).
33
51
110 °C
75 A
112 A
130 A
ON
36
62
120 °C
55 A
65 A
100 A
OFF
39
75
120 °C
55 A
65 A
100 A
ON
18
39
120 °C
60 A
75 A
112 A
OFF
16
39
120 °C
60 A
75 A
112 A
ON
13
36
120 °C
65 A
95 A
120 A
OFF
16
51
120 °C
65 A
95 A
120 A
ON
27
100
120 °C
75 A
112 A
130 A
OFF
18
110
120 °C
75 A
112 A
130 A
ON
1.
Suggested values, divider must be connected between VCC5 pin and GND.
Table 10. CONFIG1/PSI1 pinstrapping in CPU MODE (continued)
Pinstrapping (1)
divider (KOhm)
TMAX
IMAX
Jmode
R up
R down
2-phase
3-phase
4-phase
Table 11. CONFIG1/PSI1 pinstrapping in DDR MODE
Pinstrapping (1)
divider (KOhm)
TMAX
Add/
DOM
IMAX
Droop
Jmode
R up
R down
2-phase
3-phase
4-phase
750
10
90 °C
0
54 A
66 A
76 A
OFF
OFF
390
16
90 °C
0
54 A
66 A
76 A
OFF
ON
390
27
90 °C
0
54 A
66 A
76 A
ON
OFF
150
15
90 °C
0
54 A
66 A
76 A
ON
ON
91
12
90 °C
0
66 A
76 A
88 A
OFF
OFF
91
15
90 °C
0
66 A
76 A
88 A
OFF
ON
100
20
90 °C
0
66 A
76 A
88 A
ON
OFF



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